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Avalanche Forecast

Archived

Apr 1st, 2026–Apr 2nd, 2026

Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.

Regions

Kispiox, Microwave-Sinclair, North Bulkley, South Bulkley, Telkwa.

We have some uncertainty in the likelihood and distribution of persistent slabs. In times of uncertainty, conservative terrain choices are the best defense.

Confidence

Moderate

  • We are confident that there are persistent slabs in the snowpack, but uncertain about how likely they are to trigger.

Avalanche Summary

On Tuesday our field team reported a recent cornice-triggered size 3 persistent slab avalanche on a northeast aspect that ran to valley bottom.

On Monday, this MIN reported a size 2 natural wind slab but no results on ski cuts or other signs of instability.

Over the weekend a few dry loose avalanches were observed in steep terrain. A skier accidentally triggered a cornice while trying to access a ski line, this resulted in a dry loose avalanche on the slope below.

Snowpack Summary

New snow dusts wind-pressed surfaces and wind slab in exposed alpine terrain. 20 to 40 cm of soft snow from last week can be found in wind-sheltered areas. Reports suggest this snow is bonding fairly well to previous surfaces.

A thick crust from late January can be found at a wide range of depths, from 75 to 150 cm. Where it is shallowest, facets are most likely to exist above it, and the more problematic it is expected to be.

We do not have concerns about the snowpack below this layer.

Weather Summary

Wednesday Night
Mostly cloudy. 10 km/h southeast ridgetop wind. Treeline temperature -4 °C.

Thursday
Mostly sunny. 10 km/h southwest ridgetop wind. Treeline temperature -3 °C.

Friday
Mix of sun and clouds. 2 to 5 cm of snow. 50 km/h southwest ridgetop wind. Treeline temperature -2 °C. Freezing level 1100 m.

Saturday
Mix of sun and clouds. 1 to 10 cm of snow. 30 km/h southwest ridgetop wind. Treeline temperature -3 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • The best and safest riding will be on slopes that have soft snow without any slab properties.
  • Be aware of the potential for large avalanches due to buried weak layers.
  • In times of uncertainty, conservative terrain choices are our best defense.
  • Pay attention to cornices and give them a wide berth when traveling on or below ridges.

Problems

Persistent Slabs

Persistent Slab avalanches are the release of a cohesive layer of snow (a slab) in the middle to upper snowpack, when the bond to an underlying persistent weak layer breaks. Persistent layers include: surface hoar, depth hoar, near-surface facets, or faceted snow. Persistent weak layers can continue to produce avalanches for days, weeks or even months, making them especially dangerous and tricky. As additional snow and wind events build a thicker slab on top of the persistent weak layer, this avalanche problem may develop into a Deep Persistent Slab.

Wind Slabs

Wind Slab avalanches are the release of a cohesive layer of snow (a slab) formed by the wind. Wind typically transports snow from the upwind sides of terrain features and deposits snow on the downwind side. Wind slabs are often smooth and rounded and sometimes sound hollow, and can range from soft to hard. Wind slabs that form over a persistent weak layer (surface hoar, depth hoar, or near-surface facets) may be termed Persistent Slabs or may develop into Persistent Slabs.